M. Tullius Cicero Pro S. Roscio Amerino 76

[76] But I will say no more of this. I ask then by whose instrumentality did this man, who, as you yourself say, never mixed with men, contrive to accomplish this terrible crime with such secrecy, especially while absent? There are many things, O judges, which are false, and which can still be argued so as to cause suspicion. But in this matter, if any grounds for suspicion can be discovered, I will admit that there is guilt. Sextus Roscius is murdered at Rome , while his son is at his farm at Ameria . He sent letters, I suppose, to some assassin, he who knew no one at Rome . He sent for some one—but when? He sent a messenger—whom? or to whom? Did he persuade any one by bribes, by influence, by hope, by promises? None of these things can even be invented against him, and yet a trial for parricide is going on.